Update issue templates (#10215)

* Update issue templates

* Update bug_report.md

* Update feature_request.md

* Update security-issue.md

* Update bug_report.md

* add questions

* Update bug_report.md

* Update feature_request.md

* Update questions-and-help.md

.github/ISSUE_TEMPLATE/bug_report.md

+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: 'Bug'
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Logs**
+Please include javascript console and server logs around the time this bug occured. For information about how to get these, consult our [bug troubleshooting guide](https://metabase.com/docs/latest/troubleshooting-guide/bugs.html)
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Information about your Metabase Installation:**
+- Your browser and the version: (e.x. Chrome 52.1, Firefox 48.0, IE 10)
+
+- Your operating system: (e.x. OS X 10, Windows XP, etc)
+
+- Your databases: (e.x. MySQL, Postgres, MongoDB, …)
+
+- Metabase version: (e.x. 0.19.3)
+
+- Metabase hosting environment: (e.x. Mac app, Elastic Beanstalk, Docker, Heroku, Linux/Ubuntu 12)
+
+- Metabase internal database: (e.x. H2 (default), MySQL, Postgres)
+
+**Severity**
+How severe an issue is this bug to you? Is this annoying, blocking some users, blocking an upgrade or blocking your usage of Metabase entirely?
+
+Note: the more honest and specific you are here the more we will take you seriously. 
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: 'New Feature'
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**How important is this feature to you?**
+Note: the more honest and specific you are here the more we will take you seriously. 
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/questions-and-help.md

+---
+name: Questions and help
+about: If you think you need help with something related to Metabase
+title: ''
+labels: 'Question'
+assignees: ''
+
+---
+
+This issue tracker is intended to collect bug reports and feature requests.
+
+For help with installation, information on how features work, or questions about specific features of Metabase, please create a thread on our [discussion forum](https://discourse.metabase.com). Any issues open for help requests will be closed to keep from clogging up the issue tracker.

.github/ISSUE_TEMPLATE/security-issue.md

+---
+name: Security Issue
+about: If you think you found a security vulnerability with Metabase
+title: ''
+labels: 'Security'
+assignees: ''
+
+---
+
+Please email security@metabase.com directly, and do not open an issue.